2006 Regulations Dwelling Emission Rate is method of compliance - essentially the 2010 Regs are similar with only minor variations in detail Criterion 1 A Dwelling Emission Rating (DER) must be calculated taking due account of the U-values, the size, the types of heating etc using the Standard Assessment Procedure (SAP) The DER must be shown to be less than the Target Emission Rating (TER) which is computed with the same size of building and U-values meeting those as specified in the Regulations.
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